Earthquake with magnitude of ML 2.0 on date 20-02-2009 and time 01:47:29 (Italy) in region 3 km S Sampeyre (CN)

A magnitude ML 2.0 earthquake occured in region: 3 km S Sampeyre (CN), on

  • 20-02-2009 00:47:29 (UTC)
  • 20-02-2009 01:47:29 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.5580, 7.1820 at 10 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Sampeyre CN 3 1022 1022
Macra CN 6 59 1081
Stroppo CN 7 103 1184
Elva CN 8 97 1281
Frassino CN 8 265 1546
Celle di Macra CN 8 100 1646
Casteldelfino CN 10 157 1803
San Damiano Macra CN 10 430 2233
Melle CN 11 292 2525
Cartignano CN 12 190 2715
Prazzo CN 13 170 2885
Marmora CN 13 68 2953
Valmala CN 13 52 3005
Bellino CN 13 109 3114
Oncino CN 13 76 3190
Canosio CN 14 80 3270
Pontechianale CN 14 179 3449
Brossasco CN 14 1084 4533
Sanfront CN 15 2395 6928
Ostana CN 15 83 7011
Gambasca CN 15 371 7382
Roccabruna CN 16 1585 8967
Crissolo CN 16 168 9135
Paesana CN 16 2784 11919
Isasca CN 16 76 11995
Castelmagno CN 17 66 12061
Martiniana Po CN 17 734 12795
Rifreddo CN 17 1078 13873
Venasca CN 17 1437 15310
Pradleves CN 17 250 15560
Acceglio CN 18 162 15722
Dronero CN 18 7035 22757
Villar San Costanzo CN 18 1547 24304
Brondello CN 18 290 24594
Revello CN 20 4262 28856
Monterosso Grana CN 20 505 29361

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km NW of Cuneo (56081 inhabitants)
63 Km SW of Moncalieri (57294 inhabitants)
70 Km SW of Torino (890529 inhabitants)
89 Km W of Asti (76202 inhabitants)
95 Km NW of Sanremo (54807 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000
Md 2.3
ML 2.0
2009-02-20
00:47:29
44.558 7.182 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 745339
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-02-20 00:47:29 ± 0.13
Latitude 44.5580 ± 0.0090
Longitude 7.1820 ± 0.0189
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 745339

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1576
Semi-minor axis of confidence ellipse (meter) 799
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 245
Circular confidence region, given by single value of horizontal uncertainty (meter) 1802.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 102
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.58
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.90112
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.5
Num. used stations
Type of magnitude ML
Reference to an origin 745339
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:05:41

Md:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 745339
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:05:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.IMI.HHN. 2009-02-20T00:47:56.69 0.6 undecidable manual Sg 142 91.4418 -0.371 41
MN.BNI.HHE. 2009-02-20T00:47:50.33 0.6 undecidable manual Sg 324 67.7766 -0.415 42
GU.RSP.HHE. 2009-02-20T00:47:49.39 0.6 undecidable manual Sg 6 65.7897 -0.822 36
GU.FINB.HHN. 2009-02-20T00:47:47.42 0.3 undecidable manual Pg 115 100.0221 0.48 59
IV.IMI.HHN. 2009-02-20T00:47:46.13 0.1 undecidable manual Pg 142 91.4418 0.515 79
IV.MONC.HHN. 2009-02-20T00:47:44.94 0.6 undecidable manual Pg 45 81.9513 0.79 36
MN.BNI.HHE. 2009-02-20T00:47:42.41 0.1 undecidable manual Pg 324 67.7766 0.442 84
GU.STV.HHE. 2009-02-20T00:47:41.42 0.6 undecidable manual Sg 162 36.5412 -0.984 36
GU.RSP.HHE. 2009-02-20T00:47:41.61 0.1 undecidable manual Pg 6 65.7897 -0.05 91
GU.BHB.HHZ. 2009-02-20T00:47:40.49 0.3 undecidable manual Sg 12 31.3464 -0.544 65
IV.ARVD.HHN. 2009-02-20T00:47:38.63 10.0 undecidable manual Pg 0 0 0
GU.STV.HHE. 2009-02-20T00:47:37.18 0.1 undecidable manual Pg 162 36.5412 0.028 97
GU.BHB.HHZ. 2009-02-20T00:47:36.59 0.1 undecidable manual Pg 12 31.3464 0.229 94
GU.PZZ.HHZ. 2009-02-20T00:47:34.07 0.3 undecidable manual Sg 222 7.6812 -0.314 72
IV.DOI.HHZ. 2009-02-20T00:47:33.91 0.3 undecidable manual Sg 139 7.881 -0.512 69
IV.DOI.HHZ. 2009-02-20T00:47:32.66 0.1 undecidable manual Pg 139 7.881 0.117 100
GU.PZZ.HHZ. 2009-02-20T00:47:32.79 0.1 undecidable manual Pg 222 7.6812 0.268 97
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
Waveforms Seismic signals in miniseed + resp format Download